You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@karaf.apache.org by "Jean-Baptiste Onofré (JIRA)" <ji...@apache.org> on 2017/06/08 14:20:18 UTC
[jira] [Resolved] (KARAF-5181) NPE while running "threads --tree"
command from console
[ https://issues.apache.org/jira/browse/KARAF-5181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jean-Baptiste Onofré resolved KARAF-5181.
-----------------------------------------
Resolution: Fixed
> NPE while running "threads --tree" command from console
> -------------------------------------------------------
>
> Key: KARAF-5181
> URL: https://issues.apache.org/jira/browse/KARAF-5181
> Project: Karaf
> Issue Type: Bug
> Components: karaf-shell
> Affects Versions: 4.1.1
> Environment: cat /etc/system-release
> CentOS Linux release 7.3.1611 (Core)
> java -version
> openjdk version "1.8.0_131"
> OpenJDK Runtime Environment (build 1.8.0_131-b12)
> OpenJDK 64-Bit Server VM (build 25.131-b12, mixed mode)
> Reporter: Richard Kosegi
> Assignee: Jean-Baptiste Onofré
> Priority: Minor
> Fix For: 4.2.0, 4.1.2
>
>
> I just hit NPE while running {{threads --tree}} command from shell console.
> Consecutive invocation of same command didn't reproduce issue, so I think there is probably race condition in threads command handler.
> {code}
> 2017-06-06 22:16:45,959 | ERROR | nsole user karaf | ShellUtil | 234 - org.apache.karaf.shell.core - 4.1.1 | Exception caught while executing command
> java.lang.NullPointerException
> at org.apache.karaf.shell.commands.impl.ThreadsAction$ThreadData.isInteresting(ThreadsAction.java:242) [232:org.apache.karaf.shell.commands:4.1.1]
> at org.apache.karaf.shell.commands.impl.ThreadsAction$ThreadGroupData.printTree(ThreadsAction.java:180) [232:org.apache.karaf.shell.commands:4.1.1]
> at org.apache.karaf.shell.commands.impl.ThreadsAction$ThreadGroupData.printTree(ThreadsAction.java:177) [232:org.apache.karaf.shell.commands:4.1.1]
> at org.apache.karaf.shell.commands.impl.ThreadsAction$ThreadGroupData.printTree(ThreadsAction.java:177) [232:org.apache.karaf.shell.commands:4.1.1]
> at org.apache.karaf.shell.commands.impl.ThreadsAction$ThreadGroupData.print(ThreadsAction.java:167) [232:org.apache.karaf.shell.commands:4.1.1]
> at org.apache.karaf.shell.commands.impl.ThreadsAction.execute(ThreadsAction.java:119) [232:org.apache.karaf.shell.commands:4.1.1]
> at org.apache.karaf.shell.impl.action.command.ActionCommand.execute(ActionCommand.java:84) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:68) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:86) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:560) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:486) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:375) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:229) [234:org.apache.karaf.shell.core:4.1.1]
> at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:59) [234:org.apache.karaf.shell.core:4.1.1]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:?]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:?]
> at java.lang.Thread.run(Thread.java:748) [?:?]
> {code}
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)